Standard Pack = 1 piece(s). Brush Length = 1 IN ; Diameter = 1 IN ; Grit = 120 ; Material = Abrasive Nylon ; Overall Length = 2 3/4 IN ; RPM = 19,000 ; Shank Diameter = 1/4 IN ; Style = Without Bridle ; Trim Length = 1 IN ; Type = End Brush ;